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Table 3 Primary diagnoses among 331 patients assessed at acute care sites following performance of outpatient blood cultures, Calgary Health Region, Alberta, Canada (2001 and 2002).

From: Blood cultures in ambulatory outpatients

Primary diagnosis Positive cultures (n = 35) Negative cultures (n = 296) Total (n = 331) P-value*
No focus/virus 6 (17) 55 (18) 61 (18%) 1.0
Non-infective 4 (11) 70 (23) 69 (22%) 0.1
Soft tissue 1 (3) 35 (11) 31 (10%) 0.1
Bone/joint 1 (3) 11 (4) 12 (4%) 1.0
Respiratory 5 (14) 55 (20) 60 (19%) 0.6
Gastrointestinal 4 (11) 38 (13) 40 (13%) 1.0
Genitourinary 9 (26) 26 (9) 33 (11%) < 0.01
Vascular 4 (11) 5 (2) 9 (3%) < 0.01
Central nervous system 1 (3) 1 2 (1%) 0.2
  1. Note: * p-value for comparison between those with positive and negative cultures using Fisher's exact test.